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FOC | Family List | FOC Vol. 2-3 | Athyriaceae | Deparia

9. Deparia falcatipinnula (Z. R. Wang) Z. R. Wang
[comb. nov.]

镰小羽对囊蕨 lian xiao yu dui nang jue

Basionym: Dryoathyrium falcatipinnulum Z. R. Wang, Acta Phytotax. Sin. 20: 238. 1982.

Rhizomes creeping. Fronds approximate; fertile fronds 50-60 cm; stipe upward stramineous, ca. 24 cm, 2-3 mm in diam. at base, base with sparse blackish brown broadly lanceolate scales, upper part glabrate; lamina 2-pinnatipartite or nearly 2-pinnate, ovate-oblong, 30-34 × 17-21 cm, base rounded, apex acuminate; pinnae 12-15 pairs, basal 1 or 2 pairs largest, opposite, subsessile, other pinnae alternate, narrowly elliptic or elliptic, lower pinnae 10-14 × 2.5-3.5 cm, narrowed, cuneate and inequilateral to base, long acuminate at apex; segments 14-16 pairs, basal 1 or 2 pairs prominently shortened, basiscopic segments longer than acroscopic segments; acroscopic segments oblong, 1.2-1.8 cm × ca. 5 mm, toothed, rounded; basiscopic segments falcate, lanceolate, up to 3.2 cm × ca. 6 mm, toothed, acuminate. Veins pinnate in segment, lateral veins 4-20 pairs, 2- or 3-forked, rarely simple. Lamina herbaceous when dried, dark green; rachis, costae, and costules with sparse short multicellular brown hairs. Sori small, almost orbicular-reniform, abaxial, medial; indusia dark brown, reniform, small, membranous, entire, fugacious. Perispore with papillate or spinelike ornamentation.

● Forests on mountain slopes, rare; 700-1100 m. Sichuan.

It is possible that there are hybrids between Deparia falcatipinnula and D. unifurcata.


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